/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.exec.tez;

import org.apache.hadoop.hive.ql.exec.tez.AmPluginNode.AmPluginInfo;

import org.apache.hadoop.hive.llap.AsyncPbRpcProxy.ExecuteRequestCallback;
import org.apache.hadoop.hive.llap.plugin.rpc.LlapPluginProtocolProtos.UpdateQueryRequestProto;
import org.apache.hadoop.hive.llap.plugin.rpc.LlapPluginProtocolProtos.UpdateQueryResponseProto;
import org.apache.hadoop.security.token.Token;
import org.apache.tez.common.security.JobTokenIdentifier;

public interface LlapPluginEndpointClient {
  // Note: this could be made more generic; it may be a common problem for the endpoints that
  //       can move around dynamically. For now we only handle this for the update.
  public static interface UpdateRequestContext
    extends ExecuteRequestCallback<UpdateQueryResponseProto> {
    void setNodeInfo(AmPluginInfo info, int version);
  }

  void sendUpdateQuery(
      UpdateQueryRequestProto request, AmPluginNode node, UpdateRequestContext callback);
}